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Digital Electronics

Digital Electronics
10’s complement of 63325600 is

 366744399
 633256600
 36774400
 36674400

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Digital Electronics
How many bits are required to store one BCD digit ?

 1
 4
 3
 2

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Digital Electronics
The voltages corresponding to LOW and HIGH levels respectively are given below. Identify the voltages which correspond to negative logic system.

 –1.5 V and – 0.5 V
 1 V and 5 V
 5 V and 0 V
 0 V and 5 V

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Digital Electronics
Storage of 1 KB means the following number of bytes

1000
1064
964
1024

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Digital Electronics
The X-OR and X-NOR gates can have how many inputs?

 4
 1
 any number
 2

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Digital Electronics
In a read-only memory information can be stored

 by the user a number of times
 by the user only once during its life time
 in any of the above ways depending upon the type of memory
 at the time of fabrication

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